Refresh your GPA® Titium or Speed Air model helmet with a GPA Helmet Replacement Liner. Just change out the old liner! Specify your GPA helmet model and size.
The GPA® Titium® Professional Helmet** is a well-ventilated, low-profile helmet with an ergonomically-shaped inner shell for exceptional comfort and fit. This helmet has a removable, washable liner, a nylon chin strap with a foam pad and self-locking buckle, and a nape protector. It offers maximum cooling airflow with four vents that channel air through inlets in the inner shell and push it out two rear vents. **ASTM F1163-04a/SEI certified.